body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  background: #fff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  width: 90%;
  max-width: 400px;
  text-align: center;
}

h1 {
  margin-bottom: 1rem;
  font-size: 1.6rem;
}

.form-group {
  margin-bottom: 1.2rem;
  text-align: left;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

input,
select {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
}

button {
  background-color: #007bff;
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background-color: #0056b3;
}

.resultado {
  margin-top: 1.5rem;
  font-weight: bold;
  color: #333;
}